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Suppose that according to a recent census, the income per capita measured in U.S. dollars was $43,906 in country A and $47 493 in country B.Assume that income per capita is Normally distributed with a standard deviation equal to 35% of the mean for each country A random sample of seven people in country A and seven people in country B is selected a) What is the probability that the mean income of the sample from country A is above $47 493? b) What is the probability that the mean income of the sample from country B is above $43 906? " What would be the effect of not assuming that the income per capita is Normally distributed